Machining 101: How to drill a square hole at home without special tools.

Описание к видео Machining 101: How to drill a square hole at home without special tools.

Updated better method here:    • How to Drill Square Holes!  
Make your own homemade broaching tool for "drilling" perfectly square holes in steel.
In this case we are using it as a tool holder on a milling machine slotting attachment.
Long term projects here:   / ave  

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